Item
Dimension
Unit
Dot Matrix
128 x 32 Dots
-
Module dimension
66.5 × 35.0 × 9 Max.
mm
Active Area
55.016 × 13.096
Pixel Size
0.406 × 0.386
Pixel Pitch
0.43 × 0.41
Display Mode
Passive Matrix
Display Color
Yellow
Drive Duty
1/32 Duty
IC
SH1106
Interface
6800,8080,4-Wire SPI,I2C
Size
2.23 inch
No.
Symbol
Function
1
VSS
Ground.
2
VDD
Power supply input.
3
NC
No connection.
4
D/C#
This is the Data/Command control pad that determines whether the data bits are data or a command.
D/C = “H”: the inputs at DB0 to DB7 are treated as display data.
D/C = “L”: the inputs at DB0 to DB7 are transferred to the command registers. In I2C interface, this pad serves as SA0 to distinguish the different address of OLED driver.
5
R/W#
This is a MPU interface input pad.
When connected to an 8080 MPU, this is active LOW. This pad connects to the 8080 MPU WR signal. The signals on the data bus are latched at the rising edge of the WR signal.
When connected to a 6800 Series MPU: This is the read/write control signal input terminal.
When R/W = “H”: Read.
When R/W = “L”: Write.
6
E/RD#
When connected to an 8080 series MPU, it is active LOW. This pad is connected to the RD signal of the 8080 series MPU, and the data bus is in an output status when this signal is “L”.
When connected to a 6800 series MPU, this is active HIGH. This is used as an enable clock input of the 6800 series MPU.
When RD = “H”: Enable.
When RD = “L”: Disable.
7~14
DB0~DB7
This is an 8-bit bi-directional data bus that connects to an 8-bit or 16-bit standard MPU data bus.
When the serial interface is selected, then D0 serves as the serial clock input pad (SCL) and D1 serves as the serial data input pad (SI). At this time, D2 to D7 are set to high impedance.
When the I2C interface is selected, then D0 serves as the serial clock input pad (SCL) and D1 serves as the serial data input pad (SDAI). At this time, D2 to D7
are set to high impedance.
15
CS#
This pad is the chip select input. When CS = “L”, then the chip select becomes active, and data/command I/O is enabled.
16
RES#
This is a reset signal input pad. When RES is set to “L”, the settings are initialized. The reset operation is performed by the RES signal level.
17
BS1
These are the MPU interface mode select pads.
68XX-parallel
80XX-parallel
Serial
I2C
18
BS2
0
19
20
FG
21~25
26
27~28
Parameter
Min
Max
Notes
Supply Voltage For Logic
VDD-VSS
-0.3
3.6
V
1,2
Operating Temperature
TOP
-40
+80
°C
Storage Temperature
TSTG
+85
Condition
Typ
Supply Voltage for Logic
2.9
3.3
3.5
Input High Volt.
VIH
0.8XVDD
Input Low Volt.
VIL
0.2xVDD
Output High Volt.
VOH
0.8xVDD
Output Low Volt.
VOL
Display 50% Pixel On
IDD
VDD=3.3V
30
45
mA
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